| Message ID | 20200629193947.2705954-12-hch@lst.de (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [01/20] nfblock: stop using ->queuedata | expand |
On 6/29/20 1:39 PM, Christoph Hellwig wrote: > All bios can get remapped if submitted to partitions. No need to > comment on that. I'm pretty sure that comment is from me, dating back to when the bio code was introduced in 2001. The point wasn't the remapping, just that from here on down the IO was purely bio based, not buffer_heads. Anyway, totally agree that it should just die, it's not that interesting or useful anymore.
diff --git a/fs/buffer.c b/fs/buffer.c index 64fe82ec65ff1f..2725ebbcfdc246 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -3040,12 +3040,7 @@ static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, if (test_set_buffer_req(bh) && (op == REQ_OP_WRITE)) clear_buffer_write_io_error(bh); - /* - * from here on down, it's all bio -- do the initial mapping, - * submit_bio -> generic_make_request may further map this bio around - */ bio = bio_alloc(GFP_NOIO, 1); - bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9); bio_set_dev(bio, bh->b_bdev); bio->bi_write_hint = write_hint;
All bios can get remapped if submitted to partitions. No need to comment on that. Signed-off-by: Christoph Hellwig <hch@lst.de> --- fs/buffer.c | 5 ----- 1 file changed, 5 deletions(-)